British counter-terrorism officers confirmed that two people found unconscious in southern England were exposed to the nerve agent Novichock, which authorities believe Russia used in a poison attack in March.

Australia is racing to save the Great Barrier Reef. Scientists estimate 50% of the coral on this natural wonder of the world was killed over the last two years by marine heat waves caused by climate change. Scientists are now testing new techniques ranging from breeding heat resistant coral to developing sun shields and even piloting a robot submersible called…

Dozens of American and Haitian guests are stuck in a Port-au-Prince hotel and may soon evacuate after demonstrators tried to set fire to the hotel and penetrate security to enter it, Stacy Librandi Bourne, an emergency medical professional from HERO Client Rescue who is at the Oasis Hotel, told CNN.